CN110498314A - Health evaluating method, system, electronic equipment and the storage medium of elevator car door system - Google Patents
Health evaluating method, system, electronic equipment and the storage medium of elevator car door system Download PDFInfo
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- CN110498314A CN110498314A CN201910800183.8A CN201910800183A CN110498314A CN 110498314 A CN110498314 A CN 110498314A CN 201910800183 A CN201910800183 A CN 201910800183A CN 110498314 A CN110498314 A CN 110498314A
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- elevator car
- car door
- door system
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/30—Constructional features of doors or gates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0018—Devices monitoring the operating condition of the elevator system
- B66B5/0031—Devices monitoring the operating condition of the elevator system for safety reasons
Abstract
The invention discloses health evaluating method, system, electronic equipment and the storage medium of a kind of elevator car door system, the health evaluating method includes: corresponding first history data when obtaining elevator car door system normal operating condition;Obtain the current operating data of elevator car door system in the current state of operation;Obtain first object model and the second object module;Obtain the first registration between current operating conditions and normal operating condition;The corresponding health degree of current operating situation of elevator car door system is determined according to the first registration.The multidimensional operation data for monitoring elevator car door system in the present invention simultaneously realizes the real-time assessment to the health status of elevator car door system based on gauss hybrid models, to improve the assessment accuracy of the health status of elevator car door system;Additionally, it is provided the health status alarming mechanism of elevator car door system, can remind in time user or maintenance personal to carry out maintenance measure appropriate in advance to elevator door, and then avoid elevator door and break down.
Description
Technical field
The present invention relates to elevator management technical field, in particular to the health evaluating method of a kind of elevator car door system is
System, electronic equipment and storage medium.
Background technique
With increasing for skyscraper, elevator increasingly becomes the indispensable vertical transport tool of people.Through excessive
Year development, state's elevator ownership increases substantially and day hastens towards saturation.With the accumulation of elevator runing time, elevator generates failure
Probability can also significantly improve therewith.Since the switch motion of elevator door-motor is very frequent, elevator car door system is easily lead in this way
It breaks down, elevator car door system Frequent Troubles have become the main component part of elevator accident, wherein 80% or more
The elevator accident of elevator faults and 70% or more is caused because elevator car door system goes wrong;Once elevator car door system
Breaking down, it will cause unthinkable serious consequences, it is therefore desirable to be had in time to the operating status of elevator car door system
Effect monitoring.
Currently, elevator both domestic and external by the treatment process that maintenance personnel safeguards elevator car door system include: 1) when
After door machine breaks down, the source of trouble, maintenance or replacement trouble unit are determined;2) regardless of whether door system failure, fixed cycle occurs
By defined process to its putting maintenance into practice.There are the following problems for maintenance mode in this way: when there are a degree of for elevator car door system
Performance degradation cannot be found in time, not safeguarded to it;Or no matter how actual conditions are blindly safeguarded all in accordance with unified flow,
In this way it is possible to leading to door machine accident, and will cause it is unnecessary stop ladder and maintenance cost, cost of labor it is higher.
In addition, there are also the real-time current signals based on current sensor acquisition elevator car door system at present, by judging the reality
When current signal whether within the scope of normality threshold, assessed with this whether elevator car door system breaks down, in this way safeguard
There is the problems such as assessment accuracy is lower in mode.
Summary of the invention
The technical problem to be solved by the present invention is to the assessment modes in the prior art to the health status of elevator car door system to deposit
In the assessment lower defect of accuracy, and it is an object of the present invention to provide a kind of health evaluating method of elevator car door system, system, electronics are set
Standby and storage medium.
The present invention is to solve above-mentioned technical problem by following technical proposals:
The present invention provides a kind of health evaluating method of elevator car door system, and the health evaluating method includes:
S1. it obtains elevator car door system and is in corresponding first history when normal operating condition within the history samples period
Operation data;
S2. the current operation number in the present sample period of the elevator car door system in the current state of operation is obtained
According to;
S3. mesh is input to using first history data and the current operating data as training parameter respectively
Mark model is trained, and is obtained for characterizing the first object model of the normal operation of the elevator car door system and being used for
Characterize the second object module of the current operating situation of the elevator car door system;
S4. according to the first object model and second object module obtain the current operating conditions with it is described
The first registration between normal operating condition;
S5. the corresponding health degree of current operating situation of the elevator car door system is determined according to first registration;
Wherein, first registration is positively correlated with the health degree.
Preferably, the first object model is mixed for the first Gauss when the object module includes gauss hybrid models
Molding type, second object module are the second gauss hybrid models;
Step S4 includes:
S41. the current fortune is calculated according to first gauss hybrid models and second gauss hybrid models
The first registration between row state and the normal operating condition.
Preferably, when first history data includes the holding duration or the holding of door closing procedure of door opening process
When duration and mechanical energy average value, step S1 is specifically included:
S11. the elevator car door system is obtained in the total degree of the inward swinging door of history preset time period or shutdown and described
Duration is kept to meet first number of enabling or the shutdown of preset duration range;
S12. the ratio of first number and the total degree is calculated;
S13. the ratio is judged whether more than the first given threshold, if being more than, it is determined that the preset time period is to go through
History intermediary time period;
S14. history target time section is obtained according to the corresponding mechanical energy average value of each history intermediary time period;
S15. using the corresponding operation data of sampling time point each in the history target time section as in normal fortune
Corresponding first history data when row state.
Preferably, step S14 includes:
The corresponding mechanical energy average value of each history intermediary time period is ranked up according to size, described in selection
Corresponding history intermediary time period is as the history target time section when mechanical energy average value minimum;
Wherein, the health degree of the operating status of the size and elevator car door system of the mechanical energy average value
It is negatively correlated;And/or
The history preset time period is as unit of day.
Preferably, after step S15, before step S3 further include:
Corresponding first data matrix is obtained according to first history data;
First data matrix is standardized, fisrt feature matrix is obtained;
Corresponding second data matrix is obtained according to the current operating data;
Second data matrix is standardized, second characteristic matrix is obtained;
Step S3 further include:
Respectively using the fisrt feature matrix and the second characteristic matrix as training parameter, it is input to the target
Model is trained, and is obtained the first object model for characterizing the normal operation of the elevator car door system and is used for table
Levy the second object module of the current operating situation of the elevator car door system.
Preferably, first gauss hybrid models or second gauss hybrid models include:
Wherein, g (x) indicates first gauss hybrid models or second gauss hybrid models, h (x;θi) indicate single
Gaussian function, x indicate that d ties up the fisrt feature matrix or the second characteristic matrix, and I indicates mixed model quantity, piIt indicates
The prioritized vector of preset i-th single Gaussian function, meetsθiIndicate the model of i-th of single Gaussian function
Parameter, the model parameter include average vector μiWith covariance matrix σi。
Preferably, calculating first registration using following formula in step S41:
Wherein, CV indicates first registration, g1(x1) first gauss hybrid models, g are indicated2(x2) institute is indicated
The second gauss hybrid models are stated, x1 indicates that the fisrt feature matrix, x2 indicate the second characteristic matrix.
Preferably, the health evaluating method further include:
The operation data of sub-health state and malfunction corresponding first in the history samples period is preset respectively
Label and the second label;
After step S5 further include:
The second history run that sub-health state is corresponded in the history samples period is obtained according to first label
Data;
The third history run number that malfunction is corresponded in the history samples period is obtained according to second label
According to;
According to the corresponding third data matrix of second history data;
The third data matrix is standardized, third feature matrix is obtained;
Corresponding 4th data matrix is obtained according to the third history data;
4th data matrix is standardized, fourth feature matrix is obtained;
It using the third feature matrix as training parameter, is input to gauss hybrid models and is trained, obtain and be used for table
Levy the third gauss hybrid models of elevator car door system operating condition under sub-health state;
It using the fourth feature matrix as training parameter, is input to gauss hybrid models and is trained, obtain and be used for table
The elevator car door system is levied to nonserviceable the 4th gauss hybrid models of lower operating condition;
The sub-health state is calculated according to first gauss hybrid models and the third gauss hybrid models
The second registration between the normal operating condition;
According to first gauss hybrid models and the 4th gauss hybrid models be calculated the malfunction with
Third registration between the normal operating condition;
The first early warning value is set according to the maximum value in multiple second registrations;
Wherein, the feelings that enabling or shutdown function of first early warning value for elevator car door system described in early warning reduce
Condition;
The second early warning value is set according to the maximum value in multiple third registrations;
Wherein, there is a situation where enablings or shutdown failure for elevator car door system described in early warning for second early warning value.
Preferably, the health evaluating method further include:
Mean filter processing is carried out to first registration using the sliding window of the first width and the second width, is obtained
Take corresponding 4th registration of each sampling time point and the 5th registration in the present sample period;
Wherein, first width corresponds to long period, and second width corresponds to short cycle;
When the 4th registration is less than first early warning value, and the 5th registration is greater than or equal to described the
When two early warning values, then the first warning information that enabling or shutdown function for characterizing the elevator car door system reduce is generated;
When the 5th registration is less than second early warning value, generates and occur for characterizing the elevator car door system
Second warning information of enabling or shutdown failure.
Preferably, first history data, second history data, the third history run number
It include in gate-control signal data, current data, energy data, power data and speed data according to, the current operating data
At least one.
The present invention also provides a kind of health evaluation system of elevator car door system, the health evaluation system is gone through including first
History data acquisition module, current data obtain module, model obtains module, the first registration obtains module and health degree is true
Cover half block;
First historical data obtains module for obtaining elevator car door system within the history samples period in normal
Corresponding first history data when operating status;
The current data obtains module for obtaining the present sample of the elevator car door system in the current state of operation
Current operating data in period;
The model obtain module for respectively using first history data and the current operating data as
Training parameter is input to object module and is trained, and obtains the of the normal operation for characterizing the elevator car door system
Second object module of one object module and the current operating situation for characterizing the elevator car door system;
First registration obtains module and is used to be obtained according to the first object model and second object module
The first registration between the current operating conditions and the normal operating condition;
The health degree determining module is used to determine the current fortune of the elevator car door system according to first registration
The corresponding health degree of market condition;
Wherein, first registration is positively correlated with the health degree.
Preferably, the first object model is mixed for the first Gauss when the object module includes gauss hybrid models
Molding type, second object module are the second gauss hybrid models;
First registration obtains module and is used for according to first gauss hybrid models and second Gaussian Mixture
The first registration between the current operating conditions and the normal operating condition is calculated in model.
Preferably, when first history data includes the holding duration or the holding of door closing procedure of door opening process
When duration and mechanical energy average value, it includes number acquiring unit, ratio calculation list that first historical data, which obtains module,
Member, judging unit, target time section acquiring unit and historical data acquiring unit;
The number acquiring unit is used to obtain the elevator car door system in the inward swinging door of history preset time period or shutdown
Total degree and first number of enabling or the shutdown for keeping duration to meet preset duration range;
The ratio calculation unit is used to calculate the ratio of first number and the total degree;
The judging unit is for judging the ratio whether more than the first given threshold, if being more than, it is determined that described pre-
If the period is history intermediary time period;
The target time section acquiring unit is used for average according to the corresponding mechanical energy of each history intermediary time period
Value obtains history target time section;
The historical data acquiring unit is used for the corresponding fortune of sampling time point each in the history target time section
Row data corresponding first history data when being used as in normal operating condition.
Preferably, the target time section acquiring unit is used for the corresponding machinery of each history intermediary time period
Energy average value is ranked up according to size, chooses corresponding history intermediary time period conduct when the mechanical energy average value minimum
The history target time section;
Wherein, the health degree of the operating status of the size and elevator car door system of the mechanical energy average value
It is negatively correlated;And/or
The history preset time period is as unit of day.
Preferably, the health evaluation system further includes that fisrt feature matrix obtains module and second characteristic matrix acquisition
Module;
The fisrt feature matrix obtains module and is used to obtain corresponding first number according to first history data
It is standardized according to matrix, and to first data matrix, obtains fisrt feature matrix;
The second characteristic matrix obtains module and is used to obtain corresponding second data square according to the current operating data
Battle array, and second data matrix is standardized, obtain second characteristic matrix;
The model obtains module for respectively using the fisrt feature matrix and the second characteristic matrix as training
Parameter is input to the object module and is trained, and obtains the of the normal operation for characterizing the elevator car door system
Second object module of one object module and the current operating situation for characterizing the elevator car door system.
Preferably, first gauss hybrid models or second gauss hybrid models include:
Wherein, g (x) indicates first gauss hybrid models or second gauss hybrid models, h (x;θi) indicate single
Gaussian function, x indicate that d ties up the fisrt feature matrix or the second characteristic matrix, and I indicates mixed model quantity, piIt indicates
The prioritized vector of preset i-th single Gaussian function, meetsθiIndicate the model of i-th of single Gaussian function
Parameter, the model parameter include average vector μiWith covariance matrix σi。
Preferably, first registration, which obtains module, calculates first registration using following formula:
Wherein, CV indicates first registration, g1(x1) first gauss hybrid models, g are indicated2(x2) institute is indicated
The second gauss hybrid models are stated, x1 indicates that the fisrt feature matrix, x2 indicate the second characteristic matrix.
Preferably, the health evaluation system obtains module for label presetting module, the second historical data, third is gone through
History data acquisition module, third feature matrix obtain module, fourth feature matrix obtains module, the second registration obtains module,
Third registration obtains module and early warning value setting module;
The label presetting module for presetting sub-health state and malfunction in the history samples period respectively
Corresponding first label of operation data and the second label;
Second historical data obtains module and is used to be obtained in the history samples period according to first label
Second history data of corresponding sub-health state;
The third historical data obtains module and is used to be obtained in the history samples period according to second label
The third history data of corresponding malfunction;
The third feature matrix obtains module and is used for according to the corresponding third data square of second history data
Battle array, and the third data matrix is standardized, obtain third feature matrix;
The fourth feature matrix obtains module and is used to obtain corresponding 4th number according to the third history data
It is standardized according to matrix, and to the 4th data matrix, obtains fourth feature matrix;
The model obtains module and is also used to be input to Gaussian Mixture using the third feature matrix as training parameter
Model is trained, and obtains the third Gaussian Mixture for characterizing elevator car door system operating condition under sub-health state
Model;
The model obtains module and is also used to be input to Gaussian Mixture using the fourth feature matrix as training parameter
Model is trained, and is obtained and is nonserviceabled the 4th Gaussian Mixture mould of lower operating condition for characterizing the elevator car door system
Type;
Second registration obtains module and is used for according to first gauss hybrid models and the third Gaussian Mixture
The second registration between the sub-health state and the normal operating condition is calculated in model;
The third registration obtains module and is used for according to first gauss hybrid models and the 4th Gaussian Mixture
The third registration between the malfunction and the normal operating condition is calculated in model;
The early warning value setting module is used to set the first early warning according to the maximum value in multiple second registrations
Value;
Wherein, the feelings that enabling or shutdown function of first early warning value for elevator car door system described in early warning reduce
Condition;
The early warning value setting module is also used to set the second early warning according to the maximum value in multiple third registrations
Value;
Wherein, there is a situation where enablings or shutdown failure for elevator car door system described in early warning for second early warning value.
Preferably, the health evaluation system includes filtering processing module, the first warning information generation module and the second announcement
Alert information generating module;
The filtering processing module is used for using the sliding window of the first width and the second width to first registration
Mean filter processing is carried out, corresponding 4th registration of each sampling time point in the present sample period and the are obtained
Five registrations;
Wherein, first width corresponds to long period, and second width corresponds to short cycle;
The first warning information generation module is used to be less than first early warning value, and institute when the 4th registration
When stating the 5th registration more than or equal to second early warning value, then generate enabling for characterizing the elevator car door system or
The first warning information that person's shutdown function reduces;
The second warning information generation module is used for when the 5th registration is less than second early warning value, raw
At the second warning information that enabling or shutdown failure occur for characterizing the elevator car door system.
Preferably, first history data, second history data, the third history run number
It include in gate-control signal data, current data, energy data, power data and speed data according to, the current operating data
At least one.
The present invention also provides a kind of electronic equipment, including memory, processor and storage on a memory and can handled
The computer program run on device, the processor realize that the health of above-mentioned elevator car door system is commented when executing computer program
Estimate method.
The present invention also provides a kind of computer readable storage mediums, are stored thereon with computer program, the computer journey
The step of health evaluating method of above-mentioned elevator car door system is realized when sequence is executed by processor.
The positive effect of the present invention is that:
In the present invention, first for characterizing normal operation is established by the multidimensional data based on elevator car door system
Gauss hybrid models model and the second gauss hybrid models model for characterizing current operating situation, and then obtain current fortune
The first registration between row state and normal operating condition assesses the current fortune of elevator car door system according to first registration
The corresponding health degree of market condition realizes real-time, comprehensive monitoring and analysis, to improve the health status of elevator car door system
Assessment accuracy;And without label data (being not necessarily to manual intervention), to reduce cost of labor;In addition, additionally providing electricity
The health status alarming mechanism of terraced door system can remind user or maintenance personal to carry out elevator door in advance appropriate in time
Maintenance measure, and then avoid elevator door and break down.
Detailed description of the invention
Fig. 1 is the flow chart of the health evaluating method of the elevator car door system of the embodiment of the present invention 1.
Fig. 2 is the first pass figure of the health evaluating method of the elevator car door system of the embodiment of the present invention 2.
Fig. 3 is the second flow chart of the health evaluating method of the elevator car door system of the embodiment of the present invention 2.
Fig. 4 is the flow chart of the health evaluating method of the elevator car door system of the embodiment of the present invention 3.
Fig. 5 is the module diagram of the health evaluation system of the elevator car door system of the embodiment of the present invention 4.
Fig. 6 is the first module diagram of the health evaluation system of the elevator car door system of the embodiment of the present invention 5.
Fig. 7 is the second module diagram of the health evaluation system of the elevator car door system of the embodiment of the present invention 5.
Fig. 8 is the module diagram of the health evaluation system of the elevator car door system of the embodiment of the present invention 6.
Fig. 9 is the structural representation of the electronic equipment of the health evaluating method of the realization elevator car door system of the embodiment of the present invention 7
Figure.
Specific embodiment
The present invention is further illustrated below by the mode of embodiment, but is not therefore limited the present invention to described
Among scope of embodiments.
Embodiment 1
As shown in Figure 1, the health evaluating method of the elevator car door system of the present embodiment includes:
Corresponding first goes through when S101, acquisition elevator car door system are in normal operating condition within the history samples period
History operation data;
S102, the current operating data in the present sample period of acquisition elevator car door system in the current state of operation;
Wherein, the first history data, current operating data include but is not limited to gate-control signal data, electric current number
According to, energy data, power data and speed data, the i.e. car movement data of multiple dimensions of comprehensive monitoring elevator car door system,
More fully assess the operating status of elevator car door system;And it can guarantee not allowing to be also easy to produce over-fitting when model training.
S103, respectively using the first history data and current operating data as training parameter, be input to object module
It is trained, obtains for characterizing the first object model of the normal operation of elevator car door system and for characterizing elevator door
Second object module of the current operating situation of system;
S104, obtained according to first object model and the second object module current operating conditions and normal operating condition it
Between the first registration;
S105, the corresponding health degree of current operating situation that elevator car door system is determined according to the first registration;
Wherein, the first registration is positively correlated with health degree.
Evaluation process in the present embodiment is not necessarily to manual intervention, i.e. the degree of automation is higher, thereby reduce manually at
This.
In the present embodiment, for characterizing normal operation is established by multidimensional data based on elevator car door system
One gauss hybrid models model and the second gauss hybrid models model for characterizing current operating situation, and then obtain current
The first registration between operating status and normal operating condition assesses the current of elevator car door system according to first registration
The corresponding health degree of operating condition is realized more while realizing in real time to the assessment of the health status of elevator car door system
Comprehensive monitoring and analysis, improve the assessment accuracy of the health status of elevator car door system.
Embodiment 2
The health evaluating method of the elevator car door system of the present embodiment is the further improvement to embodiment 1, specifically:
As shown in Fig. 2, when the first history data include door opening process holding duration or door closing procedure holding when
When long and mechanical energy average value, step S101 is specifically included:
S10101, when obtaining elevator car door system in the total degree of the inward swinging door of history preset time period or shutdown, and keeping
First number of long enabling or the shutdown for meeting preset duration range;
Wherein, history preset time period is as unit of day.
S10102, the ratio for calculating first number and total degree;
S10103, ratio is judged whether more than the first given threshold, if being more than, it is determined that preset time period is in history
Between the period;
S10104, history target time section is obtained according to the corresponding mechanical energy average value of each history intermediary time period;
Specifically, the corresponding mechanical energy average value of each history intermediary time period is ranked up according to size, is selected
Corresponding history intermediary time period is as history target time section when taking mechanical energy average value minimum.
Wherein, the health degree of the operating status of the size and elevator car door system of mechanical energy average value is negatively correlated;
S10105, it is transported using the corresponding operation data of sampling time point each in history target time section as in normal
Corresponding first history data when row state is oriented based on original no label history data Automatic-searching
Normal condition data in the history samples period.
As shown in figure 3, after step S102, before step S103 further include:
S1021, corresponding first data matrix is obtained according to the first history data;
First data matrix is standardized, fisrt feature matrix is obtained;
S1022, corresponding second data matrix is obtained according to current operating data;
Second data matrix is standardized, second characteristic matrix is obtained;
Wherein, corresponding to sampling time point each in each sampling time section in conjunction with expertise and feature extraction algorithm
All operation datas carry out feature extraction and Feature Conversion processing, retain setting quantity characteristic parameter, such as following 15 spies
Sign parameter: Q shaft current adds up electric energy, D shaft current adds up the sum of electric energy, velocity error, (velocity error square and velocity error
The position of the positive maximum value appearance of the positive maximum value of the ratio of count value, velocity error, the negative maximum value of velocity error, velocity error, speed
The position of degree error minus maximum value appearance, currently terminates the sum of initial position, Iq positive value, Iq negative value at current state initial position
The sum of, the sum of Id positive value, the sum of Id negative value, mechanical energy average value etc..
The operating status for obtaining elevator car door system in the history samples period is one day most normal, and obtains in this day
The first data matrix X1 of each corresponding operation data (15 characteristic parameters) formation of sampling time point;When obtaining present sample
Between in section corresponding operation data (the 15 characteristic parameters) current operating data of each sampling time point form the second data matrix
X2;
First data matrix X1 and the second data matrix X2 are standardized, respectively obtain corresponding
One eigenmatrix and second characteristic matrix are specifically standardized using following formula:
X=(X- μ)/σ
Wherein, x indicates that fisrt feature matrix or second characteristic matrix, X indicate the first data matrix or the second data square
Battle array, μ indicate that average vector, σ indicate covariance matrix.
Step S103 includes:
S1031, respectively using fisrt feature matrix and second characteristic matrix as training parameter, be input to object module into
Row training, obtains for characterizing the first object model of the normal operation of elevator car door system and for characterizing elevator door system
Second object module of the current operating situation of system.
When object module includes gauss hybrid models, first object model is the first gauss hybrid models, the second target
Model is the second gauss hybrid models.Wherein, object module can also include that other any can be realized for characterizing elevator door
The model of the operating condition of system.
Step S104 includes:
S1041, be calculated according to the first gauss hybrid models and the second gauss hybrid models current operating conditions with just
The first registration between normal operating status.
Specifically: the first gauss hybrid models or the second gauss hybrid models include:
Wherein, g (x) indicates the first gauss hybrid models or the second gauss hybrid models, h (x;θi) indicate single Gaussian function
Number, x indicate that d dimension fisrt feature matrix or second characteristic matrix, I indicate mixed model quantity, piIndicate preset i-th single high
The prioritized vector of this function meetsθiIndicate the model parameter of i-th of single Gaussian function, model parameter packet
Include average vector μiWith covariance matrix σi。
Specifically, using EM (expectation maximization) algorithm to parameter θiEstimated, specific solution procedure is as follows:
(1) random initializtion model parameter θ;
(2) Bayes' theorem is used, data characteristics vector x is usednIt is general with the posteriority of "current" model parameter θ computation model i
Rate, specific formula is as follows:
(3) the maximum likelihood revaluation of model coefficient
By repeating step (2) and step (3) in an iterative process, calculating converges to a stable solution, the stable solution pair
Maximum likelihood solution is answered, and then obtains convergent mean value, covariance matrix and preposition vector.
In addition, the selection of mixed model quantity I is come using BIC (Bayesian Information) criterion algorithm in gauss hybrid models
It determines, specific formula is as follows:
Wherein, HjIndicate that j-th candidates model, D indicate training characteristics,Indicate j-th candidates
The max log likelihood function of model, k indicate the number for being estimated parameter, and n indicates the size of feature, and final establish has minimum
Best gauss hybrid models (i.e. the first gauss hybrid models) g of bayesian information criterion score1(x), the gauss hybrid models
For the model of most accurate characterization elevator door normal operation.
The first registration is calculated using following formula in step S1041:
Wherein, CV indicates the first registration, g1(x1) the first gauss hybrid models, g are indicated2(x2) indicate that the second Gauss is mixed
Molding type, x1 indicate that fisrt feature matrix, x2 indicate second characteristic matrix.
CV value range is 0-1, and the CV value is higher, then it represents that the current operating situation of elevator car door system is closer to normal
State;Conversely, the CV value is lower, then it represents that the current operating situation of elevator car door system is further away from normal condition, it may occur however that certain
It is a little to degenerate, need real-time maintenance measure appropriate.
In the present embodiment, by establishing for characterizing the first gauss hybrid models model of normal operation and being used for
Characterize the second gauss hybrid models model of current operating situation, so obtain current operating conditions and normal operating condition it
Between the first registration, according to first registration assess elevator car door system the corresponding health degree of current operating situation, knot
Multidimensional data is closed, more comprehensive monitoring and analysis are realized, to improve the assessment accuracy of the health status of elevator car door system;
And without label data (being not necessarily to manual intervention), to reduce cost of labor.
Embodiment 3
As shown in figure 4, the health evaluating method of the elevator car door system of the present embodiment is the further improvement to embodiment 2,
Specifically:
After step S105 further include:
S106, the operation data of sub-health state and malfunction corresponding the in the history samples period is preset respectively
One label and the second label;
Wherein, the process for presetting label is by setting pair between sub-health state, malfunction and corresponding operation data
The process that should be related to.
Sub-health state includes but is not limited to the case where slider wear, guide rail cause frictional force to increase there are foreign matter.
Malfunction includes but is not limited to that switch gate is not in place, gate does not drive hall door, rail friction acutely to cause to switch
The case where door velocity anomaly.
S107, the second history run number that sub-health state is corresponded in the history samples period is obtained according to the first label
According to;
S108, the third history data that malfunction is corresponded in the history samples period is obtained according to the second label;
Wherein, the second history data, third history data include but is not limited to gate-control signal data, electricity
Flow data, energy data, power data and speed data.
S109, according to the corresponding third data matrix of the second history data;
Third data matrix is standardized, third feature matrix is obtained;
S1010, corresponding 4th data matrix is obtained according to third history data;
4th data matrix is standardized, fourth feature matrix is obtained;
S1011, using third feature matrix as training parameter, be input to gauss hybrid models and be trained, acquisition is used for
Characterize the third gauss hybrid models of elevator car door system operating condition under sub-health state;
S1012, using fourth feature matrix as training parameter, be input to gauss hybrid models and be trained, acquisition is used for
Characterization elevator car door system is nonserviceabled the 4th gauss hybrid models of lower operating condition;
S1013, sub-health state and normal is calculated according to the first gauss hybrid models and third gauss hybrid models
The second registration between operating status;
S1014, malfunction and normal fortune are calculated according to the first gauss hybrid models and the 4th gauss hybrid models
Third registration between row state;
S1015, the first early warning value is set according to the maximum value in multiple second registrations;
Wherein, the case where enabling or shutdown function of first early warning value for early warning elevator car door system reduce;
S1016, the second early warning value is set according to the maximum value in multiple third registrations;
Wherein, there is a situation where enablings or shutdown failure for early warning elevator car door system for the second early warning value.
Specifically, the corresponding third gauss hybrid models of each sampling time point under sub-health state:
gu1(xu1)、gu2(xu2)···
According to each third gauss hybrid models and the first gauss hybrid models calculate separately to obtain sub-health state with just
Multiple second registrations between normal operating status:
CVu1,CVu2····
Corresponding 4th gauss hybrid models of each sampling time point under malfunction:
gd1(xd1)、gd2(xd2)···
Calculate separately to obtain malfunction and normal according to each 4th gauss hybrid models and the first gauss hybrid models
Multiple third registrations between operating status:
CVd1,CVd2···
CVT1=max (CVd1,CVd2······)
CVT2=max (CVu1,CVu2······)
According to CVT1The first early warning value is determined, according to CVT2Determine the second early warning value.
S1017, mean filter processing is carried out to the first registration using the sliding window of the first width and the second width,
Obtain corresponding 4th registration of each sampling time point and the 5th registration in the present sample period;
Wherein, the first width corresponds to long period (such as n value 500), and the second width corresponds to short cycle (such as n value 5).
S1018, when the 4th registration is less than the first early warning value, and the 5th registration is greater than or equal to the second early warning value,
Then generate the first warning information that enabling or shutdown function for characterizing elevator car door system reduce;
When the 5th registration is less than the second early warning value, generates and event of opening the door or close the door occurs for characterizing elevator car door system
Second warning information of barrier.
Analyze to obtain the feelings that enabling or shutdown failure occur for elevator car door system under sub-health state by the 4th registration
Condition;Analyze to obtain the feelings that enabling or the reduction of shutdown function of elevator car door system occur under malfunction by the 5th registration
Condition, to be alerted in time, in order to which personnel carry out malfunction elimination and processing in time.
Illustrate below with reference to specific example:
1) elevator car door system daily corresponding operation data within half a year in past is obtained, feature is carried out to operation data and is mentioned
It takes and Feature Conversion, retains 15 characteristic parameters;
2) it obtains the open the door daily holding duration of total degree and door opening process of elevator car door system and is equal to preset duration (such as
377) door opening times;
3) ratio for calculating door opening times and total degree chooses every day on the corresponding date that ratio is greater than 95%, then
Each mechanical energy average value corresponding to these days is ranked up, and is chosen mechanical energy average value the smallest one day and is used as mechanical energy
Average value ran one day most normal within half a year in past, it is assumed that is 2019-03-12, it is each to obtain this day 2019-03-12
The corresponding time series of sampling time point (i.e. the first data matrix) X1;
4) corresponding second data of each sampling time point in the present sample period under current operating conditions are obtained
Matrix X2;
5) the first data matrix X1 and the second data matrix X2 are standardized, are respectively obtained corresponding
Fisrt feature matrix x1 and second characteristic matrix x2;
6) Gaussian Mixture mould is input to using fisrt feature matrix x1 and second characteristic matrix x2 as training parameter respectively
Type is trained, and obtains the first gauss hybrid models g for characterizing the normal operation of elevator car door system1(x1) it and uses
In the second gauss hybrid models g of the current operating situation of characterization elevator car door system2(x2)。
7) according to the first gauss hybrid models g1(x1) and the second gauss hybrid models g2(x2) current operation is calculated
The first registration CV between state and normal operating condition, such as obtain corresponding first weight of current a certain sampling time point
Right CV=0.5932.
Obtain elevator car door system third gauss hybrid models of operating condition and its corresponding multiple under sub-health state
Second registration:
gu1(xu1)、gu2(xu2)···;CVu1,CVu2····
Elevator car door system is obtained to nonserviceable the 4th gauss hybrid models of lower operating condition:
gd1(xd1)、gd2(xd2)···;CVd1,CVd2···
CVT1=max (CVd1,CVd2)=0.2541;
CVT2=max (CVu1,CVu2)=0.7806;
According to CVT1Determine that the first early warning value is 0.3, according to CVT2Determine that the second early warning value is 0.8.
8) different in width (n is used to the corresponding first registration CV of each sampling time point in the present sample period
=5 and n=500) mean filter is filtered and obtains corresponding 4th registration CVSAnd CVL;
9) work as CVLLess than 0.8 and CVSWhen more than or equal to 0.3, then generate for characterize elevator car door system enabling or
The first warning information that shutdown function reduces;Work as CVSWhen less than 0.3, then generate for characterize elevator car door system occur open the door or
Second warning information of shutdown failure.
In addition, the evaluation process of the health status of the door closing procedure of elevator car door system is similar to the strong of above-mentioned door opening process
The evaluation process of health state, therefore be not described in more detail here.
In the present embodiment, by establishing for characterizing the first gauss hybrid models model of normal operation and being used for
Characterize the second gauss hybrid models model of current operating situation, so obtain current operating conditions and normal operating condition it
Between the first registration, according to first registration assess elevator car door system the corresponding health degree of current operating situation, knot
Multidimensional data is closed, more comprehensive monitoring and analysis are realized, to improve the assessment accuracy of the health status of elevator car door system;
And without label data (being not necessarily to manual intervention), to reduce cost of labor;Additionally, it is provided the health of elevator car door system
State alarming mechanism can remind in time user or maintenance personal to carry out maintenance measure appropriate in advance to elevator door, and then keep away
Exempt from elevator door to break down.
Embodiment 4
As shown in figure 5, the health evaluation system of the elevator car door system of the present embodiment includes that the first historical data obtains module
1, current data obtains module 2, model obtains module 3, the first registration obtains module 4 and health degree determining module 5.
First historical data obtains module 1 for obtaining elevator car door system within the history samples period in normal fortune
Corresponding first history data when row state;
Current data obtains module 2 for obtaining the present sample period of elevator car door system in the current state of operation
Interior current operating data;
Wherein, the first history data, current operating data include but is not limited to gate-control signal data, electric current number
According to, energy data, power data and speed data, the i.e. car movement data of multiple dimensions of comprehensive monitoring elevator car door system,
More fully assess the operating status of elevator car door system;And it can guarantee not allowing to be also easy to produce over-fitting when model training.
Model obtains module 3 and is used for respectively using the first history data and current operating data as training parameter, defeated
Enter to object module and be trained, obtains the first object model and use for characterizing the normal operation of elevator car door system
In the second object module of the current operating situation of characterization elevator car door system;
First registration obtains module 4 and is used to obtain current operation shape according to first object model and the second object module
The first registration between state and normal operating condition;
Health degree determining module 5 is used to determine that the current operating situation of elevator car door system is corresponding according to the first registration
Health degree;
Wherein, the first registration is positively correlated with health degree.
Evaluation process in the present embodiment is not necessarily to manual intervention, i.e. the degree of automation is higher, thereby reduce manually at
This.
In the present embodiment, by establishing for characterizing the first gauss hybrid models model of normal operation and being used for
Characterize the second gauss hybrid models model of current operating situation, so obtain current operating conditions and normal operating condition it
Between the first registration, according to first registration assess elevator car door system the corresponding health degree of current operating situation, In
While realization in real time to the assessment of the health status of elevator car door system, in conjunction with multidimensional data, realizes more comprehensive monitoring and divide
Analysis, improves the assessment accuracy of the health status of elevator car door system.
Embodiment 5
The health evaluation system of the elevator car door system of the present embodiment is the further improvement to embodiment 4, specifically:
As shown in fig. 6, when the first history data include door opening process holding duration or door closing procedure holding when
When long and mechanical energy average value, the first historical data obtain module 1 include number acquiring unit 6, ratio calculation unit 7,
Judging unit 8, target time section acquiring unit 9 and historical data acquiring unit 10.
Number acquiring unit 6 for obtaining elevator car door system in the total degree of the inward swinging door of history preset time period or shutdown,
And holding duration meets first number of enabling or the shutdown of preset duration range;
Wherein, history preset time period is as unit of day.
Ratio calculation unit 7 is used to calculate the ratio of first number and total degree;
Judging unit 8 is for judging ratio whether more than the first given threshold, if being more than, it is determined that preset time period is
History intermediary time period;
Target time section acquiring unit 9 is used to be obtained according to the corresponding mechanical energy average value of each history intermediary time period
History target time section;
Specifically, target time section acquiring unit is used to put down the corresponding mechanical energy of each history intermediary time period
Mean value is ranked up according to size, and corresponding history intermediary time period is as history target when choosing mechanical energy average value minimum
Period;
Wherein, the health degree of the operating status of the size and elevator car door system of mechanical energy average value is negatively correlated.
Historical data acquiring unit 10 is used for the corresponding operation data of sampling time point each in history target time section
Corresponding first history data when as in normal operating condition, i.e., based on original no label history data
Automatic-searching orients the normal condition data in the history samples period.
As shown in fig. 7, the health evaluation system of the present embodiment further includes that fisrt feature matrix obtains module 11 and the second spy
It levies matrix and obtains module 12.
Fisrt feature matrix obtains module 11 and is used to obtain corresponding first data square according to the first history data
Battle array, and the first data matrix is standardized, obtain fisrt feature matrix;
Second characteristic matrix obtains module 12 and is used to obtain corresponding second data matrix according to current operating data, and
Second data matrix is standardized, second characteristic matrix is obtained;
Wherein, corresponding to sampling time point each in each sampling time section in conjunction with expertise and feature extraction algorithm
All operation datas carry out feature extraction and Feature Conversion processing, retain setting quantity characteristic parameter, such as following 15 spies
Sign parameter: Q shaft current adds up electric energy, D shaft current adds up the sum of electric energy, velocity error, (velocity error square and velocity error
The position of the positive maximum value appearance of the positive maximum value of the ratio of count value, velocity error, the negative maximum value of velocity error, velocity error, speed
The position of degree error minus maximum value appearance, currently terminates the sum of initial position, Iq positive value, Iq negative value at current state initial position
The sum of, the sum of Id positive value, the sum of Id negative value, mechanical energy average value etc..
The operating status for obtaining elevator car door system in the history samples period is one day most normal, and obtains in this day
The first data matrix X1 of each corresponding operation data (15 characteristic parameters) formation of sampling time point;When obtaining present sample
Between in section corresponding operation data (the 15 characteristic parameters) current operating data of each sampling time point form the second data matrix
X2;
First data matrix X1 and the second data matrix X2 are standardized, respectively obtain corresponding
One eigenmatrix and second characteristic matrix are specifically standardized using following formula:
X=(X- μ)/σ
Wherein, x indicates that fisrt feature matrix or second characteristic matrix, X indicate the first data matrix or the second data square
Battle array, μ indicate that average vector, σ indicate covariance matrix.
Model obtains module 3 and is used to be input to respectively using fisrt feature matrix and second characteristic matrix as training parameter
Object module is trained, and is obtained the first object model for characterizing the normal operation of elevator car door system and is used for table
Levy the second object module of the current operating situation of elevator car door system.
When object module includes gauss hybrid models, first object model is the first gauss hybrid models, the second target
Model is the second gauss hybrid models;Wherein, object module can also include that other any can be realized for characterizing elevator door
The model of the operating condition of system.
First registration obtains module 4 for calculating according to the first gauss hybrid models and the second gauss hybrid models
To the first registration between current operating conditions and normal operating condition.
Specifically, the first gauss hybrid models or the second gauss hybrid models include:
Wherein, g (x) indicates the first gauss hybrid models or the second gauss hybrid models, h (x;θi) indicate single Gaussian function
Number, x indicate that d dimension fisrt feature matrix or second characteristic matrix, I indicate mixed model quantity, piIndicate preset i-th single high
The prioritized vector of this function meetsθiIndicate the model parameter of i-th of single Gaussian function, model parameter packet
Include average vector μiWith covariance matrix σi。
Specifically, using EM (expectation maximization) algorithm to parameter θiEstimated, specific solution procedure is as follows:
(1) random initializtion model parameter θ;
(2) Bayes' theorem is used, data characteristics vector x is usednIt is general with the posteriority of "current" model parameter θ computation model i
Rate, specific formula is as follows:
(3) the maximum likelihood revaluation of model coefficient
By repeating step (2) and step (3) in an iterative process, calculating converges to a stable solution, the stable solution pair
Maximum likelihood solution is answered, and then obtains convergent mean value, covariance matrix and preposition vector.
In addition, the selection of mixed model quantity I is come using BIC (Bayesian Information) criterion algorithm in gauss hybrid models
It determines, specific formula is as follows:
Wherein, HjIndicate that j-th candidates model, D indicate training characteristics;
Indicate that the max log likelihood function of j-th candidates model, k indicate the number for being estimated parameter
Word, n indicates the size of feature, final to establish the best gauss hybrid models (i.e. first for having minimum bayesian information criterion score
Gauss hybrid models) g1(x), which is the model of most accurate characterization elevator door normal operation.
First registration obtains module 4 and calculates the first registration using following formula:
Wherein, CV indicates the first registration, g1(x1) the first gauss hybrid models, g are indicated2(x2) indicate that the second Gauss is mixed
Molding type, x1 indicate that fisrt feature matrix, x2 indicate second characteristic matrix.
CV value range is 0-1, and the CV value is higher, then it represents that the current operating situation of elevator car door system is closer to normal
State;Conversely, the CV value is lower, then it represents that the current operating situation of elevator car door system is further away from normal condition, it may occur however that certain
It is a little to degenerate, need real-time maintenance measure appropriate.
In the present embodiment, by establishing for characterizing the first gauss hybrid models model of normal operation and being used for
Characterize the second gauss hybrid models model of current operating situation, so obtain current operating conditions and normal operating condition it
Between the first registration, according to first registration assess elevator car door system the corresponding health degree of current operating situation, knot
Multidimensional data is closed, more comprehensive monitoring and analysis are realized, to improve the assessment accuracy of the health status of elevator car door system;
And without label data (being not necessarily to manual intervention), to reduce cost of labor.
Embodiment 6
As shown in figure 8, the health evaluation system of the elevator car door system of the present embodiment is the further improvement to embodiment 5,
Specifically:
The health evaluation system of the present embodiment obtains module 14, third for label presetting module 13, the second historical data
Historical data obtains module 15, third feature matrix obtains module 16, fourth feature matrix obtains module 17, the second registration
Obtain module 18, third registration obtains module 19, early warning value setting module 20, filtering processing module 21, the first warning information
Generation module 22 and the second warning information generation module 23.
Label presetting module 13 is used to preset the operation of sub-health state and malfunction in the history samples period respectively
Corresponding first label of data and the second label;Wherein, preset label process be by sub-health state, malfunction with it is right
The process of corresponding relationship is set between the operation data answered.
Sub-health state includes but is not limited to the case where slider wear, guide rail cause frictional force to increase there are foreign matter.
Malfunction includes but is not limited to that switch gate is not in place, gate does not drive hall door, rail friction acutely to cause to switch
The case where door velocity anomaly.
Second historical data obtains module 14 and is used to correspond to inferior health according in the first label acquisition history samples period
Second history data of state;
Third historical data obtains module 15 and is used to correspond to failure shape according in the second label acquisition history samples period
The third history data of state;
Wherein, the second history data, third history data include but is not limited to gate-control signal data, electricity
Flow data, energy data, power data and speed data.
Third feature matrix obtains module 16 and is used for according to the corresponding third data matrix of the second history data, and
Third data matrix is standardized, third feature matrix is obtained;
Fourth feature matrix obtains module 17 and is used to obtain corresponding 4th data square according to third history data
Battle array, and the 4th data matrix is standardized, obtain fourth feature matrix;
Model obtains module 3 and is also used to be input to gauss hybrid models progress using third feature matrix as training parameter
Training, obtains the third gauss hybrid models for characterizing elevator car door system operating condition under sub-health state;
Model obtains module 3 and is also used to be input to gauss hybrid models progress using fourth feature matrix as training parameter
Training is obtained and is nonserviceabled the 4th gauss hybrid models of lower operating condition for characterizing elevator car door system;
Second registration obtains module 18 for calculating according to the first gauss hybrid models and third gauss hybrid models
To the second registration between sub-health state and normal operating condition;
Third registration obtains module 19 for calculating according to the first gauss hybrid models and the 4th gauss hybrid models
To the third registration between malfunction and normal operating condition;
Early warning value setting module 20 is used to set the first early warning value according to the maximum value in multiple second registrations;
Wherein, the case where enabling or shutdown function of first early warning value for early warning elevator car door system reduce;
Early warning value setting module is also used to set the second early warning value according to the maximum value in multiple third registrations;
Wherein, there is a situation where enablings or shutdown failure for early warning elevator car door system for the second early warning value.
Specifically, the corresponding third gauss hybrid models of each sampling time point under sub-health state:
gu1(xu1)、gu2(xu2)···
According to each third gauss hybrid models and the first gauss hybrid models calculate separately to obtain sub-health state with just
Multiple second registrations between normal operating status:
CVu1,CVu2····
Corresponding 4th gauss hybrid models of each sampling time point under malfunction:
gd1(xd1)、gd2(xd2)···
Calculate separately to obtain malfunction and normal according to each 4th gauss hybrid models and the first gauss hybrid models
Multiple third registrations between operating status:
CVd1,CVd2···
CVT1=max (CVd1,CVd2······)
CVT2=max (CVu1,CVu2······)
According to CVT1The first early warning value is determined, according to CVT2Determine the second early warning value.
Module 21 is filtered to be used to carry out the first registration using the sliding window of the first width and the second width
Value filtering processing obtains corresponding 4th registration of each sampling time point and the 5th registration in the present sample period;
Wherein, the first width corresponds to long period, and the second width corresponds to short cycle;
First warning information generation module 22 is used to work as the 4th registration less than the first early warning value, and the 5th registration is big
When the second early warning value, then generates enabling or shutdown function for characterizing elevator car door system reduce first and accuse
Alert information;
Second warning information generation module 23 is used for when the 5th registration is less than the second early warning value, is generated for characterizing
Second warning information of enabling or shutdown failure occurs for elevator car door system.
Analyze to obtain the feelings that enabling or shutdown failure occur for elevator car door system under sub-health state by the 4th registration
Condition;Analyze to obtain the feelings that enabling or the reduction of shutdown function of elevator car door system occur under malfunction by the 5th registration
Condition, to be alerted in time, in order to which personnel carry out malfunction elimination and processing in time.
Illustrate below with reference to specific example:
1) elevator car door system daily corresponding operation data within half a year in past is obtained, feature is carried out to operation data and is mentioned
It takes and Feature Conversion, retains 15 characteristic parameters;
2) it obtains the open the door daily holding duration of total degree and door opening process of elevator car door system and is equal to preset duration (such as
377) door opening times;
3) ratio for calculating door opening times and total degree chooses every day on the corresponding date that ratio is greater than 95%, then
Each mechanical energy average value corresponding to these days is ranked up, and is chosen mechanical energy average value the smallest one day and is used as mechanical energy
Average value ran one day most normal within half a year in past, it is assumed that is 2019-03-12, it is each to obtain this day 2019-03-12
The corresponding time series of sampling time point (i.e. the first data matrix) X1;
4) corresponding second data of each sampling time point in the present sample period under current operating conditions are obtained
Matrix X2;
5) the first data matrix X1 and the second data matrix X2 are standardized, are respectively obtained corresponding
Fisrt feature matrix x1 and second characteristic matrix x2;
6) Gaussian Mixture mould is input to using fisrt feature matrix x1 and second characteristic matrix x2 as training parameter respectively
Type is trained, and obtains the first gauss hybrid models g for characterizing the normal operation of elevator car door system1(x1) it and uses
In the second gauss hybrid models g of the current operating situation of characterization elevator car door system2(x2)。
7) according to the first gauss hybrid models g1(x1) and the second gauss hybrid models g2(x2) current operation is calculated
The first registration CV between state and normal operating condition, such as obtain corresponding first weight of current a certain sampling time point
Right CV=0.5932.
Obtain elevator car door system third gauss hybrid models of operating condition and its corresponding multiple under sub-health state
Second registration:
gu1(xu1)、gu2(xu2)···;CVu1,CVu2····
Elevator car door system is obtained to nonserviceable the 4th gauss hybrid models of lower operating condition:
gd1(xd1)、gd2(xd2)···;CVd1,CVd2···
CVT1=max (CVd1,CVd2)=0.2541;
CVT2=max (CVu1,CVu2)=0.7806;
According to CVT1Determine that the first early warning value is 0.3, according to CVT2Determine that the second early warning value is 0.8.
8) different in width (n is used to the corresponding first registration CV of each sampling time point in the present sample period
=5 and n=500) mean filter is filtered and obtains corresponding 4th registration CVSAnd CVL;
9) work as CVLLess than 0.8 and CVSWhen more than or equal to 0.3, then generate for characterize elevator car door system enabling or
The first warning information that shutdown function reduces;Work as CVSWhen less than 0.3, then generate for characterize elevator car door system occur open the door or
Second warning information of shutdown failure.
In addition, the evaluation process of the health status of the door closing procedure of elevator car door system is similar to the strong of above-mentioned door opening process
The evaluation process of health state, therefore be not described in more detail here.
In the present embodiment, by establishing for characterizing the first gauss hybrid models model of normal operation and being used for
Characterize the second gauss hybrid models model of current operating situation, so obtain current operating conditions and normal operating condition it
Between the first registration, according to first registration assess elevator car door system the corresponding health degree of current operating situation, knot
Multidimensional data is closed, more comprehensive monitoring and analysis are realized, to improve the assessment accuracy of the health status of elevator car door system;
And without label data (being not necessarily to manual intervention), to reduce cost of labor;Additionally, it is provided the health of elevator car door system
State alarming mechanism can remind in time user or maintenance personal to carry out maintenance measure appropriate in advance to elevator door, and then keep away
Exempt from elevator door to break down.
Embodiment 7
Fig. 9 is the structural schematic diagram for a kind of electronic equipment that the embodiment of the present invention 7 provides.Electronic equipment include memory,
Processor and storage are on a memory and the computer program that can run on a processor, processor realize reality when executing program
Apply the health evaluating method of the elevator car door system in example 1 to 3 in any one embodiment.The electronic equipment 30 that Fig. 9 is shown is only
One example, should not function to the embodiment of the present invention and use scope bring any restrictions.
As shown in figure 9, electronic equipment 30 can be showed in the form of universal computing device, such as it can be server
Equipment.The component of electronic equipment 30 can include but is not limited to: at least one above-mentioned processor 31, at least one above-mentioned storage
Device 32, the bus 33 for connecting different system components (including memory 32 and processor 31).
Bus 33 includes data/address bus, address bus and control bus.
Memory 32 may include volatile memory, such as random access memory (RAM) 321 and/or cache
Memory 322 can further include read-only memory (ROM) 323.
Memory 32 can also include program/utility 325 with one group of (at least one) program module 324, this
The program module 324 of sample includes but is not limited to: operating system, one or more application program, other program modules and journey
It may include the realization of network environment in ordinal number evidence, each of these examples or certain combination.
Processor 31 by operation storage computer program in memory 32, thereby executing various function application with
And the health evaluating method of the elevator car door system in data processing, such as the embodiment of the present invention 1 to 3 in any one embodiment.
Electronic equipment 30 can also be communicated with one or more external equipments 34 (such as keyboard, sensing equipment etc.).It is this
Communication can be carried out by input/output (I/O) interface 35.Also, the equipment 30 that model generates can also pass through Network adaptation
Device 36 and one or more network (such as local area network (LAN), wide area network (WAN) and/or public network, such as internet)
Communication.As shown in figure 9, the other modules for the equipment 30 that network adapter 36 is generated by bus 33 and model communicate.It should be bright
It is white, although not shown in the drawings, the equipment 30 that can be generated with binding model uses other hardware and/or software module, including but not
Be limited to: microcode, device driver, redundant processor, external disk drive array, RAID (disk array) system, tape drive
Dynamic device and data backup storage system etc..
It should be noted that although be referred in the above detailed description electronic equipment several units/modules or subelement/
Module, but it is this division be only exemplary it is not enforceable.In fact, embodiment according to the present invention, above
The feature and function of two or more units/modules of description can embody in a units/modules.Conversely, retouching above
The feature and function for the units/modules stated can be to be embodied by multiple units/modules with further division.
Embodiment 8
A kind of computer readable storage medium is present embodiments provided, computer program is stored thereon with, program is processed
The step in the health evaluating method of the elevator car door system in embodiment 1 to 3 in any one embodiment is realized when device executes.
Wherein, what readable storage medium storing program for executing can use more specifically can include but is not limited to: portable disc, hard disk, random
Access memory, read-only memory, erasable programmable read only memory, light storage device, magnetic memory device or above-mentioned times
The suitable combination of meaning.
In possible embodiment, the present invention is also implemented as a kind of form of program product comprising program generation
Code, when program product is run on the terminal device, program code is appointed for executing terminal device in realization embodiment 1 to 3
Step in the health evaluating method of elevator car door system in an embodiment of anticipating.
Wherein it is possible to be write with any combination of one or more programming languages for executing journey of the invention
Sequence code, program code can be executed fully in viewer apparatus, partly execute in viewer apparatus, is only as one
Vertical software package executes, partially part executes on a remote device or executes on a remote device completely in viewer apparatus.
Although specific embodiments of the present invention have been described above, it will be appreciated by those of skill in the art that this is only
For example, protection scope of the present invention is to be defined by the appended claims.Those skilled in the art without departing substantially from
Under the premise of the principle and substance of the present invention, many changes and modifications may be made, but these change and
Modification each falls within protection scope of the present invention.
Claims (22)
1. a kind of health evaluating method of elevator car door system, which is characterized in that the health evaluating method includes:
S1. it obtains elevator car door system and is in corresponding first history run number when normal operating condition within the history samples period
According to;
S2. the current operating data in the present sample period of the elevator car door system in the current state of operation is obtained;
S3. target mould is input to using first history data and the current operating data as training parameter respectively
Type is trained, and is obtained for characterizing the first object model of the normal operation of the elevator car door system and for characterizing
State the second object module of the current operating situation of elevator car door system;
S4. the current operating conditions and the normal fortune are obtained according to the first object model and second object module
The first registration between row state;
S5. the corresponding health degree of current operating situation of the elevator car door system is determined according to first registration;
Wherein, first registration is positively correlated with the health degree.
2. the health evaluating method of elevator car door system as described in claim 1, which is characterized in that when the object module includes
When gauss hybrid models, the first object model is the first gauss hybrid models, and second object module is the second Gauss
Mixed model;
Step S4 includes:
S41. the current operation shape is calculated according to first gauss hybrid models and second gauss hybrid models
The first registration between state and the normal operating condition.
3. the health evaluating method of elevator car door system as claimed in claim 2, which is characterized in that when first history run
When data include the holding duration of door opening process or the holding duration of door closing procedure and mechanical energy average value, step S1 is specific
Include:
S11. the elevator car door system is obtained in the total degree and the holding of the inward swinging door of history preset time period or shutdown
First number of long enabling or the shutdown for meeting preset duration range;
S12. the ratio of first number and the total degree is calculated;
S13. the ratio is judged whether more than the first given threshold, if being more than, it is determined that the preset time period is in history
Between the period;
S14. history target time section is obtained according to the corresponding mechanical energy average value of each history intermediary time period;
S15. using the corresponding operation data of sampling time point each in the history target time section as in normal operation shape
Corresponding first history data when state.
4. the health evaluating method of elevator car door system as claimed in claim 3, which is characterized in that step S14 includes:
The corresponding mechanical energy average value of each history intermediary time period is ranked up according to size, chooses the mechanical energy
Corresponding history intermediary time period is as the history target time section when average value minimum;
Wherein, the health degree of the operating status of the size and elevator car door system of the mechanical energy average value is in negative
It closes;And/or
The history preset time period is as unit of day.
5. the health evaluating method of elevator car door system as claimed in claim 3, which is characterized in that after step S15, step S3
Before further include:
Corresponding first data matrix is obtained according to first history data;
First data matrix is standardized, fisrt feature matrix is obtained;
Corresponding second data matrix is obtained according to the current operating data;
Second data matrix is standardized, second characteristic matrix is obtained;
Step S3 further include:
Respectively using the fisrt feature matrix and the second characteristic matrix as training parameter, be input to the object module into
Row training, obtains for characterizing the first object model of the normal operation of the elevator car door system and for characterizing the electricity
Second object module of the current operating situation of terraced door system.
6. the health evaluating method of elevator car door system as claimed in claim 5, which is characterized in that the first Gaussian Mixture mould
Type or second gauss hybrid models include:
Wherein, g (x) indicates first gauss hybrid models or second gauss hybrid models, h (x;θi) indicate single Gauss
Function, x indicate that d ties up the fisrt feature matrix or the second characteristic matrix, and I indicates mixed model quantity, piIndicate default
I-th of single Gaussian function prioritized vector, meetθiIndicate the model parameter of i-th of single Gaussian function,
The model parameter includes average vector μiWith covariance matrix σi。
7. the health evaluating method of elevator car door system as claimed in claim 6, which is characterized in that using as follows in step S41
Formula calculates first registration:
Wherein, CV indicates first registration, g1(x1) first gauss hybrid models, g are indicated2(x2) described the is indicated
Two gauss hybrid models, x1 indicate that the fisrt feature matrix, x2 indicate the second characteristic matrix.
8. the health evaluating method of elevator car door system as claimed in claim 3, which is characterized in that the health evaluating method is also
Include:
Corresponding first label of the operation data of sub-health state and malfunction in the history samples period is preset respectively
With the second label;
After step S5 further include:
The second history data that sub-health state is corresponded in the history samples period is obtained according to first label;
The third history data that malfunction is corresponded in the history samples period is obtained according to second label;
According to the corresponding third data matrix of second history data;
The third data matrix is standardized, third feature matrix is obtained;
Corresponding 4th data matrix is obtained according to the third history data;
4th data matrix is standardized, fourth feature matrix is obtained;
It using the third feature matrix as training parameter, is input to gauss hybrid models and is trained, obtain for characterizing
State the third gauss hybrid models of elevator car door system operating condition under sub-health state;
It using the fourth feature matrix as training parameter, is input to gauss hybrid models and is trained, obtain for characterizing
Elevator car door system is stated to nonserviceable the 4th gauss hybrid models of lower operating condition;
The sub-health state and institute is calculated according to first gauss hybrid models and the third gauss hybrid models
State the second registration between normal operating condition;
According to first gauss hybrid models and the 4th gauss hybrid models be calculated the malfunction with it is described
Third registration between normal operating condition;
The first early warning value is set according to the maximum value in multiple second registrations;
Wherein, the case where enabling or shutdown function of first early warning value for elevator car door system described in early warning reduce;
The second early warning value is set according to the maximum value in multiple third registrations;
Wherein, there is a situation where enablings or shutdown failure for elevator car door system described in early warning for second early warning value.
9. the health evaluating method of elevator car door system as claimed in claim 8, which is characterized in that the health evaluating method is also
Include:
Mean filter processing is carried out to first registration using the sliding window of the first width and the second width, described in acquisition
Corresponding 4th registration of each sampling time point and the 5th registration in the present sample period;
Wherein, first width corresponds to long period, and second width corresponds to short cycle;
When the 4th registration be less than first early warning value, and the 5th registration be greater than or equal to second early warning
When value, then the first warning information that enabling or shutdown function for characterizing the elevator car door system reduce is generated;
When the 5th registration is less than second early warning value, generate for characterize the elevator car door system occur to open the door or
Second warning information of shutdown failure.
10. the health evaluating method of elevator car door system as claimed in claim 8, which is characterized in that first history run
Data, second history data, the third history data, the current operating data include gate-control signal
At least one of data, current data, energy data, power data and speed data.
11. a kind of health evaluation system of elevator car door system, which is characterized in that the health evaluation system includes the first history number
According to obtaining, module, current data acquisition module, model obtains module, the first registration obtains module and health degree determines mould
Block;
First historical data obtains module for obtaining elevator car door system within the history samples period in normal operation
Corresponding first history data when state;
The current data obtains module for obtaining the present sample time of the elevator car door system in the current state of operation
Current operating data in section;
The model obtains module for respectively using first history data and the current operating data as training
Parameter is input to object module and is trained, and obtains the first mesh for characterizing the normal operation of the elevator car door system
Mark the second object module of model and the current operating situation for characterizing the elevator car door system;
First registration obtains module and is used for according to the first object model and second object module acquisition
The first registration between current operating conditions and the normal operating condition;
The health degree determining module is used to determine the current operation feelings of the elevator car door system according to first registration
The corresponding health degree of condition;
Wherein, first registration is positively correlated with the health degree.
12. the health evaluation system of elevator car door system as claimed in claim 11, which is characterized in that when the object module packet
When including gauss hybrid models, the first object model is the first gauss hybrid models, and second object module is second high
This mixed model;
First registration obtains module and is used for according to first gauss hybrid models and second gauss hybrid models
The first registration between the current operating conditions and the normal operating condition is calculated.
13. the health evaluation system of elevator car door system as claimed in claim 12, which is characterized in that when first history is transported
When row data include the holding duration of door opening process or the holding duration of door closing procedure and mechanical energy average value, described first
Historical data obtains module and includes number acquiring unit, ratio calculation unit, judging unit, target time section acquiring unit and go through
History data capture unit;
The number acquiring unit is used to obtain the elevator car door system at total time of the inward swinging door of history preset time period or shutdown
First number of several and described enabling or the shutdown for keeping duration to meet preset duration range;
The ratio calculation unit is used to calculate the ratio of first number and the total degree;
The judging unit is for judging the ratio whether more than the first given threshold, if being more than, it is determined that when described default
Between section be history intermediary time period;
The target time section acquiring unit is used to be obtained according to the corresponding mechanical energy average value of each history intermediary time period
Take history target time section;
The historical data acquiring unit is used for the corresponding operation number of sampling time point each in the history target time section
Corresponding first history data when according to as in normal operating condition.
14. the health evaluation system of elevator car door system as claimed in claim 13, which is characterized in that the target time section obtains
Take unit for the corresponding mechanical energy average value of each history intermediary time period to be ranked up according to size, described in selection
Corresponding history intermediary time period is as the history target time section when mechanical energy average value minimum;
Wherein, the health degree of the operating status of the size and elevator car door system of the mechanical energy average value is in negative
It closes;And/or
The history preset time period is as unit of day.
15. the health evaluation system of elevator car door system as claimed in claim 13, which is characterized in that the health evaluation system
It further include that fisrt feature matrix obtains module and second characteristic matrix acquisition module;
The fisrt feature matrix obtains module and is used to obtain corresponding first data square according to first history data
Battle array, and first data matrix is standardized, obtain fisrt feature matrix;
The second characteristic matrix obtains module and is used to obtain corresponding second data matrix according to the current operating data, and
Second data matrix is standardized, second characteristic matrix is obtained;
The model obtains module for respectively using the fisrt feature matrix and the second characteristic matrix as training parameter,
It is input to the object module to be trained, obtains the first object for characterizing the normal operation of the elevator car door system
Second object module of model and the current operating situation for characterizing the elevator car door system.
16. the health evaluation system of elevator car door system as claimed in claim 5, which is characterized in that first Gaussian Mixture
Model or second gauss hybrid models include:
Wherein, g (x) indicates first gauss hybrid models or second gauss hybrid models, h (x;θi) indicate single Gauss
Function, x indicate that d ties up the fisrt feature matrix or the second characteristic matrix, and I indicates mixed model quantity, piIndicate default
I-th of single Gaussian function prioritized vector, meetθiIndicate the model parameter of i-th of single Gaussian function,
The model parameter includes average vector μiWith covariance matrix σi。
17. the health evaluation system of elevator car door system as claimed in claim 16, which is characterized in that first registration obtains
Modulus block calculates first registration using following formula:
Wherein, CV indicates first registration, g1(x1) first gauss hybrid models, g are indicated2(x2) described the is indicated
Two gauss hybrid models, x1 indicate that the fisrt feature matrix, x2 indicate the second characteristic matrix.
18. the health evaluation system of elevator car door system as claimed in claim 13, which is characterized in that the health evaluation system
Module is obtained for label presetting module, the second historical data, third historical data obtains module, third feature matrix obtains mould
Block, fourth feature matrix obtain module, the second registration obtains module, third registration obtains module and early warning value sets mould
Block;
The label presetting module is used to preset the fortune of sub-health state and malfunction in the history samples period respectively
Corresponding first label of row data and the second label;
Second historical data obtains module and is used for according to corresponding in first label acquisition history samples period
Second history data of sub-health state;
The third historical data obtains module and is used for according to corresponding in second label acquisition history samples period
The third history data of malfunction;
The third feature matrix obtains module and is used for according to the corresponding third data matrix of second history data, and
The third data matrix is standardized, third feature matrix is obtained;
The fourth feature matrix obtains module and is used to obtain corresponding 4th data square according to the third history data
Battle array, and the 4th data matrix is standardized, obtain fourth feature matrix;
The model obtains module and is also used to using the third feature matrix as training parameter, be input to gauss hybrid models into
Row training, obtains the third gauss hybrid models for characterizing elevator car door system operating condition under sub-health state;
The model obtains module and is also used to using the fourth feature matrix as training parameter, be input to gauss hybrid models into
Row training is obtained and is nonserviceabled the 4th gauss hybrid models of lower operating condition for characterizing the elevator car door system;
Second registration obtains module and is used for according to first gauss hybrid models and the third gauss hybrid models
The second registration between the sub-health state and the normal operating condition is calculated;
The third registration obtains module and is used for according to first gauss hybrid models and the 4th gauss hybrid models
The third registration between the malfunction and the normal operating condition is calculated;
The early warning value setting module is used to set the first early warning value according to the maximum value in multiple second registrations;
Wherein, the case where enabling or shutdown function of first early warning value for elevator car door system described in early warning reduce;
The early warning value setting module is also used to set the second early warning value according to the maximum value in multiple third registrations;
Wherein, there is a situation where enablings or shutdown failure for elevator car door system described in early warning for second early warning value.
19. the health evaluation system of elevator car door system as claimed in claim 18, which is characterized in that the health evaluation system
Including filtering processing module, the first warning information generation module and the second warning information generation module;
The filtering processing module is used to carry out first registration using the sliding window of the first width and the second width
Mean filter processing obtains corresponding 4th registration of each sampling time point in the present sample period and the 5th and is overlapped
Degree;
Wherein, first width corresponds to long period, and second width corresponds to short cycle;
The first warning information generation module is used to be less than first early warning value, and the described 5th when the 4th registration
When registration is greater than or equal to second early warning value, then enabling or the shutdown function for characterizing the elevator car door system are generated
The first warning information that can be reduced;
The second warning information generation module is used for when the 5th registration is less than second early warning value, and generation is used for
Characterize the second warning information that enabling or shutdown failure occur for the elevator car door system.
20. the health evaluation system of elevator car door system as claimed in claim 18, which is characterized in that first history run
Data, second history data, the third history data, the current operating data include gate-control signal
At least one of data, current data, energy data, power data and speed data.
21. a kind of electronic equipment including memory, processor and stores the calculating that can be run on a memory and on a processor
Machine program, which is characterized in that the processor realizes electricity of any of claims 1-10 when executing computer program
The health evaluating method of terraced door system.
22. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer program
The step of health evaluating method of elevator car door system of any of claims 1-10 is realized when being executed by processor.
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111563603A (en) * | 2020-04-21 | 2020-08-21 | 西人马(厦门)科技有限公司 | Elevator health state evaluation method and device and storage medium |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6174790B1 (en) * | 1998-01-24 | 2001-01-16 | Lg. Philips Lcd Co., Ltd. | Method of crystallizing amorphous silicon layer |
CN106934242A (en) * | 2017-03-16 | 2017-07-07 | 杭州安脉盛智能技术有限公司 | The health degree appraisal procedure and system of equipment under multi-mode based on Cross-Entropy Method |
CN107947163A (en) * | 2017-11-30 | 2018-04-20 | 广东电网有限责任公司电力调度控制中心 | On coal unit varying duty performance evaluation methodology and its system |
CN108009730A (en) * | 2017-12-05 | 2018-05-08 | 河海大学常州校区 | A kind of photovoltaic power station system health status analysis method |
CN109376881A (en) * | 2018-12-12 | 2019-02-22 | 中国航空工业集团公司上海航空测控技术研究所 | Complication system repair determining method based on maintenance cost optimization |
-
2019
- 2019-08-28 CN CN201910800183.8A patent/CN110498314B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6174790B1 (en) * | 1998-01-24 | 2001-01-16 | Lg. Philips Lcd Co., Ltd. | Method of crystallizing amorphous silicon layer |
CN106934242A (en) * | 2017-03-16 | 2017-07-07 | 杭州安脉盛智能技术有限公司 | The health degree appraisal procedure and system of equipment under multi-mode based on Cross-Entropy Method |
CN107947163A (en) * | 2017-11-30 | 2018-04-20 | 广东电网有限责任公司电力调度控制中心 | On coal unit varying duty performance evaluation methodology and its system |
CN108009730A (en) * | 2017-12-05 | 2018-05-08 | 河海大学常州校区 | A kind of photovoltaic power station system health status analysis method |
CN109376881A (en) * | 2018-12-12 | 2019-02-22 | 中国航空工业集团公司上海航空测控技术研究所 | Complication system repair determining method based on maintenance cost optimization |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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CN113554247A (en) * | 2020-04-23 | 2021-10-26 | 北京京东乾石科技有限公司 | Method, device and system for evaluating running condition of automatic guided vehicle |
CN111563229A (en) * | 2020-05-13 | 2020-08-21 | 浙江大学 | Vertical ladder overspeed automatic reset fault diagnosis method based on Gaussian mixture model |
CN111563229B (en) * | 2020-05-13 | 2022-03-22 | 浙江大学 | Vertical ladder overspeed automatic reset fault diagnosis method based on Gaussian mixture model |
CN112650660A (en) * | 2020-12-28 | 2021-04-13 | 北京中大科慧科技发展有限公司 | Early warning method and device for power system of data center |
CN112650660B (en) * | 2020-12-28 | 2024-05-03 | 北京中大科慧科技发展有限公司 | Early warning method and device for data center power system |
CN112836941A (en) * | 2021-01-14 | 2021-05-25 | 哈电发电设备国家工程研究中心有限公司 | Online health condition evaluation method for high-pressure steam turbine system of coal-electric unit |
CN112836941B (en) * | 2021-01-14 | 2024-01-09 | 哈电发电设备国家工程研究中心有限公司 | Online health condition assessment method for high-pressure system of steam turbine of coal motor unit |
CN112897269A (en) * | 2021-01-21 | 2021-06-04 | 广州广日电梯工业有限公司 | Elevator car door detection system and elevator car door detection method |
CN112938683A (en) * | 2021-01-29 | 2021-06-11 | 广东卓梅尼技术股份有限公司 | Early warning method for elevator door system fault |
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CN113581961A (en) * | 2021-08-10 | 2021-11-02 | 江苏省特种设备安全监督检验研究院 | Automatic fault identification method for elevator hall door |
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